1 /*

     2  * Copyright 1994-2000 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package java.lang;

    27 

    28 /**

    29  * The class <code>Exception</code> and its subclasses are a form of

    30  * <code>Throwable</code> that indicates conditions that a reasonable

    31  * application might want to catch.

    32  *

    33  * @author  Frank Yellin

    34  * @see     java.lang.Error

    35  * @since   JDK1.0

    36  */

    37 public class Exception extends Throwable {

    38     static final long serialVersionUID = -3387516993124229948L;

    39 

    40     /**

    41      * Constructs a new exception with <code>null</code> as its detail message.

    42      * The cause is not initialized, and may subsequently be initialized by a

    43      * call to {@link #initCause}.

    44      */

    45     public Exception() {

    46         super();

    47     }

    48 

    49     /**

    50      * Constructs a new exception with the specified detail message.  The

    51      * cause is not initialized, and may subsequently be initialized by

    52      * a call to {@link #initCause}.

    53      *

    54      * @param   message   the detail message. The detail message is saved for

    55      *          later retrieval by the {@link #getMessage()} method.

    56      */

    57     public Exception(String message) {

    58         super(message);

    59     }

    60 

    61     /**

    62      * Constructs a new exception with the specified detail message and

    63      * cause.  <p>Note that the detail message associated with

    64      * <code>cause</code> is <i>not</i> automatically incorporated in

    65      * this exception's detail message.

    66      *

    67      * @param  message the detail message (which is saved for later retrieval

    68      *         by the {@link #getMessage()} method).

    69      * @param  cause the cause (which is saved for later retrieval by the

    70      *         {@link #getCause()} method).  (A <tt>null</tt> value is

    71      *         permitted, and indicates that the cause is nonexistent or

    72      *         unknown.)

    73      * @since  1.4

    74      */

    75     public Exception(String message, Throwable cause) {

    76         super(message, cause);

    77     }

    78 

    79     /**

    80      * Constructs a new exception with the specified cause and a detail

    81      * message of <tt>(cause==null ? null : cause.toString())</tt> (which

    82      * typically contains the class and detail message of <tt>cause</tt>).

    83      * This constructor is useful for exceptions that are little more than

    84      * wrappers for other throwables (for example, {@link

    85      * java.security.PrivilegedActionException}).

    86      *

    87      * @param  cause the cause (which is saved for later retrieval by the

    88      *         {@link #getCause()} method).  (A <tt>null</tt> value is

    89      *         permitted, and indicates that the cause is nonexistent or

    90      *         unknown.)

    91      * @since  1.4

    92      */

    93     public Exception(Throwable cause) {

    94         super(cause);

    95     }

    96 }